FIELD OBSERVATION ON MOVEMENT OF NOURISHMENT GRAVEL ON MAKUHARI ARTIFICIAL BEACH

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  • KOBAYASHI Akio
    日本大学 理工学部海洋建築工学科
  • UDA Takaaki
    一般財団法人土木研究センターなぎさ総合研究室兼日本大学理工学部海洋建築工学科
  • NOSHI Yasuhito
    （有）アイコムネット 環境コンサルティング部
  • ENDO Masatoshi
    日本大学大学院 理工学研究科海洋建築工学専攻
  • OKUSA Yusuke
    日本大学理工学部海洋建築工学科

Bibliographic Information

Other Title
  • 幕張人工海浜における養浜礫の移動堆積状況の実測

Description

 On Makuhari Beach located in Tokyo Bay, artificial beach was built in front of the reclaimed land in the 1980s, and this beach has been widely used for recreation. However, the beach was gradually eroded. In 2009, a groin was extended in the middle of the beach and gravel with grain size of d = 50mm was nourished by 12000m3 between the jetty and this central groin. Although artificial beach was produced in parallel to the seawall line, nourishment gravel was transported northward and was deposited to form a high berm. In this study, the movement of nourishment gravel was measured by field observation.

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